Srimad Bhagavatam Canto 08, Chapter 15, Text 15

SB 8.15.15

rukma-patta-kapatais ca
 dvaraih sphatika-gopuraih
justam vibhakta-prapatham
 visvakarma-vinirmitam
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
The doors were made of solid gold plates, and the gates were of excellent marble. These were linked by various public roads. The entire city had been constructed by Visvakarma.
Srimad Bhagavatam Canto 08, Chapter 15, Text 14
Srimad Bhagavatam Canto 08, Chapter 15, Text 16